/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 12:30:59,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 12:30:59,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 12:30:59,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 12:30:59,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 12:30:59,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 12:30:59,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 12:30:59,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 12:30:59,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 12:30:59,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 12:30:59,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 12:30:59,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 12:30:59,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 12:30:59,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 12:30:59,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 12:30:59,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 12:30:59,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 12:30:59,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 12:30:59,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 12:30:59,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 12:30:59,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 12:30:59,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 12:30:59,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 12:30:59,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 12:30:59,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 12:30:59,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 12:30:59,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 12:30:59,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 12:30:59,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 12:30:59,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 12:30:59,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 12:30:59,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 12:30:59,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 12:30:59,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 12:30:59,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 12:30:59,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 12:30:59,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 12:30:59,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 12:30:59,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 12:30:59,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 12:30:59,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 12:30:59,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 12:30:59,646 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 12:30:59,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 12:30:59,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 12:30:59,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 12:30:59,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 12:30:59,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 12:30:59,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 12:30:59,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 12:30:59,648 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 12:30:59,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 12:30:59,648 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 12:30:59,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 12:30:59,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 12:30:59,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 12:30:59,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 12:30:59,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 12:30:59,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 12:30:59,649 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 12:30:59,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 12:30:59,649 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 12:30:59,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 12:30:59,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 12:30:59,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 12:30:59,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 12:30:59,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 12:30:59,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:30:59,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 12:30:59,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 12:30:59,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 12:30:59,651 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 12:30:59,651 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 12:30:59,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 12:30:59,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 12:30:59,651 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 12:30:59,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 12:30:59,652 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 12:30:59,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 12:30:59,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 12:30:59,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 12:30:59,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 12:30:59,849 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 12:30:59,849 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 12:30:59,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2023-05-04 12:30:59,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbe57bfe/1000a0b91a3d4334b891d2008d5272d9/FLAGe0987d9c4 [2023-05-04 12:31:00,292 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 12:31:00,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2023-05-04 12:31:00,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbe57bfe/1000a0b91a3d4334b891d2008d5272d9/FLAGe0987d9c4 [2023-05-04 12:31:00,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbe57bfe/1000a0b91a3d4334b891d2008d5272d9 [2023-05-04 12:31:00,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 12:31:00,314 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 12:31:00,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 12:31:00,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 12:31:00,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 12:31:00,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e56420b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00, skipping insertion in model container [2023-05-04 12:31:00,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 12:31:00,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 12:31:00,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c[2121,2134] [2023-05-04 12:31:00,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:31:00,513 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 12:31:00,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c[2121,2134] [2023-05-04 12:31:00,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:31:00,553 INFO L208 MainTranslator]: Completed translation [2023-05-04 12:31:00,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00 WrapperNode [2023-05-04 12:31:00,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 12:31:00,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 12:31:00,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 12:31:00,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 12:31:00,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,585 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2023-05-04 12:31:00,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 12:31:00,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 12:31:00,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 12:31:00,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 12:31:00,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,607 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 12:31:00,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 12:31:00,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 12:31:00,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 12:31:00,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (1/1) ... [2023-05-04 12:31:00,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:31:00,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:31:00,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 12:31:00,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 12:31:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 12:31:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 12:31:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 12:31:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 12:31:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 12:31:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 12:31:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 12:31:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 12:31:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 12:31:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 12:31:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 12:31:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 12:31:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 12:31:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 12:31:00,688 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 12:31:00,753 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 12:31:00,755 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 12:31:00,929 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 12:31:00,946 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 12:31:00,946 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 12:31:00,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:31:00 BoogieIcfgContainer [2023-05-04 12:31:00,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 12:31:00,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 12:31:00,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 12:31:00,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 12:31:00,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 12:31:00" (1/3) ... [2023-05-04 12:31:00,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fa27e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:31:00, skipping insertion in model container [2023-05-04 12:31:00,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:31:00" (2/3) ... [2023-05-04 12:31:00,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fa27e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:31:00, skipping insertion in model container [2023-05-04 12:31:00,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:31:00" (3/3) ... [2023-05-04 12:31:00,954 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2023-05-04 12:31:00,959 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 12:31:00,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 12:31:00,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 12:31:00,966 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 12:31:01,002 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 12:31:01,030 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:31:01,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 12:31:01,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:31:01,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 12:31:01,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 12:31:01,057 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 12:31:01,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 12:31:01,073 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e18f373, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:31:01,073 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 12:31:01,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:31:01,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:31:01,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1106819323, now seen corresponding path program 1 times [2023-05-04 12:31:01,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:31:01,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572488091] [2023-05-04 12:31:01,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:31:01,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:31:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:31:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 12:31:01,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:31:01,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572488091] [2023-05-04 12:31:01,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572488091] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:31:01,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:31:01,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 12:31:01,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557986789] [2023-05-04 12:31:01,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:31:01,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 12:31:01,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:31:01,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 12:31:01,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 12:31:01,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:31:01,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:31:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 12:31:01,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:31:01,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:31:01,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1137839130, now seen corresponding path program 1 times [2023-05-04 12:31:01,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:31:01,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375643940] [2023-05-04 12:31:01,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:31:01,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:31:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:31:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:31:01,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:31:01,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375643940] [2023-05-04 12:31:01,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375643940] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:31:01,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:31:01,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 12:31:01,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991340168] [2023-05-04 12:31:01,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:31:01,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 12:31:01,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:31:01,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 12:31:01,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-05-04 12:31:01,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:31:01,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:31:01,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:01,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 12:31:01,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:31:01,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:31:01,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1500058434, now seen corresponding path program 1 times [2023-05-04 12:31:01,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:31:01,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268315933] [2023-05-04 12:31:01,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:31:01,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:31:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:31:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:31:01,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:31:01,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268315933] [2023-05-04 12:31:01,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268315933] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:31:01,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:31:01,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 12:31:01,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536139039] [2023-05-04 12:31:01,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:31:01,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 12:31:01,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:31:01,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 12:31:01,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 12:31:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:31:01,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:31:01,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:01,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:01,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:01,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:31:01,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 12:31:01,995 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:31:01,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:31:01,998 INFO L85 PathProgramCache]: Analyzing trace with hash 2086366550, now seen corresponding path program 1 times [2023-05-04 12:31:01,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:31:01,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350332763] [2023-05-04 12:31:01,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:31:01,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:31:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:31:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:31:02,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:31:02,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350332763] [2023-05-04 12:31:02,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350332763] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:31:02,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751358556] [2023-05-04 12:31:02,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:31:02,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:31:02,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:31:02,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:31:02,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 12:31:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:31:02,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-04 12:31:02,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:31:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 12:31:02,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 12:31:02,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751358556] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:31:02,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 12:31:02,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 7 [2023-05-04 12:31:02,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966342985] [2023-05-04 12:31:02,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:31:02,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 12:31:02,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:31:02,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 12:31:02,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-05-04 12:31:02,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:02,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:31:02,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:31:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:31:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:31:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:31:02,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 12:31:02,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-04 12:31:02,708 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:31:02,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:31:02,708 INFO L85 PathProgramCache]: Analyzing trace with hash -503141546, now seen corresponding path program 2 times [2023-05-04 12:31:02,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:31:02,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137497267] [2023-05-04 12:31:02,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:31:02,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:31:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:31:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:31:03,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:31:03,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137497267] [2023-05-04 12:31:03,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137497267] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:31:03,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629306694] [2023-05-04 12:31:03,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:31:03,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:31:03,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:31:03,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:31:03,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 12:31:03,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:31:03,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:31:03,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 12:31:03,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:31:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:03,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:31:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:03,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629306694] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:31:03,374 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:31:03,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 22 [2023-05-04 12:31:03,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479892599] [2023-05-04 12:31:03,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:31:03,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-04 12:31:03,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:31:03,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-04 12:31:03,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2023-05-04 12:31:03,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:03,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:31:03,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.2272727272727275) internal successors, (115), 22 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:31:03,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:03,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:03,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:31:03,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:31:03,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:03,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:03,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:31:03,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:31:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 12:31:03,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 12:31:04,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:31:04,081 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:31:04,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:31:04,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1892938088, now seen corresponding path program 3 times [2023-05-04 12:31:04,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:31:04,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629367838] [2023-05-04 12:31:04,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:31:04,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:31:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:31:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:04,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:31:04,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629367838] [2023-05-04 12:31:04,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629367838] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:31:04,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435891544] [2023-05-04 12:31:04,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 12:31:04,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:31:04,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:31:04,481 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:31:04,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 12:31:04,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 12:31:04,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:31:04,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 12:31:04,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:31:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:04,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:31:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:05,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435891544] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:31:05,134 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:31:05,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 28 [2023-05-04 12:31:05,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127335089] [2023-05-04 12:31:05,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:31:05,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-04 12:31:05,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:31:05,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-04 12:31:05,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2023-05-04 12:31:05,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:05,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:31:05,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.678571428571429) internal successors, (131), 28 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:31:05,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:05,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:05,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:31:05,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:31:05,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 12:31:05,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:31:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:31:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:31:06,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:31:06,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 12:31:06,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:31:06,561 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:31:06,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:31:06,561 INFO L85 PathProgramCache]: Analyzing trace with hash -159443368, now seen corresponding path program 4 times [2023-05-04 12:31:06,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:31:06,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369862383] [2023-05-04 12:31:06,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:31:06,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:31:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:31:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 42 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:07,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:31:07,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369862383] [2023-05-04 12:31:07,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369862383] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:31:07,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101642601] [2023-05-04 12:31:07,125 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 12:31:07,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:31:07,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:31:07,133 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:31:07,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 12:31:07,205 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 12:31:07,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:31:07,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-04 12:31:07,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:31:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 42 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:07,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:31:08,610 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 42 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:08,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101642601] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:31:08,610 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:31:08,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 52 [2023-05-04 12:31:08,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553565972] [2023-05-04 12:31:08,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:31:08,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-04 12:31:08,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:31:08,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-04 12:31:08,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=2434, Unknown=0, NotChecked=0, Total=2652 [2023-05-04 12:31:08,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:08,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:31:08,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.673076923076923) internal successors, (191), 52 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:31:08,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:08,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:08,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:31:08,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:31:08,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:31:08,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:31:08,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:16,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:16,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:16,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:31:16,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:31:16,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:31:16,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:31:16,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-04 12:31:16,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 12:31:16,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:31:16,483 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:31:16,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:31:16,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1231095256, now seen corresponding path program 5 times [2023-05-04 12:31:16,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:31:16,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941804632] [2023-05-04 12:31:16,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:31:16,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:31:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:31:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 82 proven. 296 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:18,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:31:18,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941804632] [2023-05-04 12:31:18,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941804632] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:31:18,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985002881] [2023-05-04 12:31:18,116 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 12:31:18,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:31:18,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:31:18,117 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:31:18,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 12:31:21,797 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-04 12:31:21,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:31:21,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 72 conjunts are in the unsatisfiable core [2023-05-04 12:31:21,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:31:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 82 proven. 296 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:23,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:31:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 82 proven. 296 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:31:26,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985002881] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:31:26,721 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:31:26,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37, 37] total 100 [2023-05-04 12:31:26,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651137313] [2023-05-04 12:31:26,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:31:26,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2023-05-04 12:31:26,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:31:26,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2023-05-04 12:31:26,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=574, Invalid=9326, Unknown=0, NotChecked=0, Total=9900 [2023-05-04 12:31:26,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:26,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:31:26,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 3.11) internal successors, (311), 100 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:31:26,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:26,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:31:26,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:31:26,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:31:26,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:31:26,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:31:26,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-04 12:31:26,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:31:54,369 WARN L233 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 130 DAG size of output: 90 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:32:25,716 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 126 DAG size of output: 85 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:32:50,273 WARN L233 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 138 DAG size of output: 130 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:33:06,536 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 120 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:33:37,045 WARN L233 SmtUtils]: Spent 22.67s on a formula simplification. DAG size of input: 125 DAG size of output: 117 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:33:51,539 WARN L233 SmtUtils]: Spent 7.77s on a formula simplification. DAG size of input: 105 DAG size of output: 102 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:34:24,367 WARN L233 SmtUtils]: Spent 11.44s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:34:44,928 WARN L233 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:35:25,046 WARN L233 SmtUtils]: Spent 17.00s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:35:27,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 12:35:29,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 12:35:31,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 12:35:58,501 WARN L233 SmtUtils]: Spent 9.89s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:36:28,132 WARN L233 SmtUtils]: Spent 13.00s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:36:47,393 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:37:06,991 WARN L233 SmtUtils]: Spent 7.81s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:37:33,858 WARN L233 SmtUtils]: Spent 11.24s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:37:35,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 12:37:37,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 12:37:39,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 12:37:57,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 12:39:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:39:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:39:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:39:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:39:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:39:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:39:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-04 12:39:27,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2023-05-04 12:39:27,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-04 12:39:27,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:39:27,815 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:39:27,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:39:27,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1403755304, now seen corresponding path program 6 times [2023-05-04 12:39:27,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:39:27,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139044070] [2023-05-04 12:39:27,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:39:27,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:39:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:39:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 162 proven. 1232 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:39:32,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:39:32,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139044070] [2023-05-04 12:39:32,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139044070] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:39:32,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860577640] [2023-05-04 12:39:32,021 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 12:39:32,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:39:32,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:39:32,022 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:39:32,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 12:39:59,243 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2023-05-04 12:39:59,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:39:59,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 134 conjunts are in the unsatisfiable core [2023-05-04 12:39:59,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:40:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 162 proven. 1232 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:40:03,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:40:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 162 proven. 1232 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 12:40:15,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860577640] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:40:15,363 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:40:15,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 69, 69] total 196 [2023-05-04 12:40:15,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909982070] [2023-05-04 12:40:15,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:40:15,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2023-05-04 12:40:15,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:40:15,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2023-05-04 12:40:15,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1766, Invalid=36454, Unknown=0, NotChecked=0, Total=38220 [2023-05-04 12:40:15,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:40:15,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:40:15,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 2.811224489795918) internal successors, (551), 196 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:40:15,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:40:15,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:40:15,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:40:15,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:40:15,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:40:15,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:40:15,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-04 12:40:15,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2023-05-04 12:40:15,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:40:37,766 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 158 DAG size of output: 19 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:41:07,687 WARN L233 SmtUtils]: Spent 16.19s on a formula simplification. DAG size of input: 161 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:41:29,314 WARN L233 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 158 DAG size of output: 19 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:41:53,309 WARN L233 SmtUtils]: Spent 12.19s on a formula simplification. DAG size of input: 161 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:42:16,001 WARN L233 SmtUtils]: Spent 7.83s on a formula simplification. DAG size of input: 158 DAG size of output: 19 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:42:38,745 WARN L233 SmtUtils]: Spent 13.25s on a formula simplification. DAG size of input: 161 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:43:13,586 WARN L233 SmtUtils]: Spent 9.00s on a formula simplification. DAG size of input: 161 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:43:50,984 WARN L233 SmtUtils]: Spent 22.72s on a formula simplification. DAG size of input: 158 DAG size of output: 19 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:44:09,085 WARN L233 SmtUtils]: Spent 8.41s on a formula simplification. DAG size of input: 161 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:44:30,960 WARN L233 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 158 DAG size of output: 19 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:44:48,061 WARN L233 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 161 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:45:10,299 WARN L233 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 158 DAG size of output: 19 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-04 12:45:41,349 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 12:45:41,349 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 12:45:41,386 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 12:45:41,934 WARN L249 SmtUtils]: Removed 16 from assertion stack [2023-05-04 12:45:41,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-04 12:45:42,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:45:42,135 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 158 for 5214ms.. [2023-05-04 12:45:42,137 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 12:45:42,137 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 12:45:42,137 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 12:45:42,141 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1] [2023-05-04 12:45:42,144 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 12:45:42,144 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 12:45:42,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 12:45:42 BasicIcfg [2023-05-04 12:45:42,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 12:45:42,146 INFO L158 Benchmark]: Toolchain (without parser) took 881832.39ms. Allocated memory was 254.8MB in the beginning and 492.8MB in the end (delta: 238.0MB). Free memory was 223.9MB in the beginning and 195.4MB in the end (delta: 28.5MB). Peak memory consumption was 267.4MB. Max. memory is 8.0GB. [2023-05-04 12:45:42,147 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 254.8MB. Free memory is still 208.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 12:45:42,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.57ms. Allocated memory was 254.8MB in the beginning and 334.5MB in the end (delta: 79.7MB). Free memory was 223.9MB in the beginning and 301.4MB in the end (delta: -77.5MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. [2023-05-04 12:45:42,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.26ms. Allocated memory is still 334.5MB. Free memory was 301.4MB in the beginning and 299.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 12:45:42,147 INFO L158 Benchmark]: Boogie Preprocessor took 23.51ms. Allocated memory is still 334.5MB. Free memory was 299.7MB in the beginning and 298.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 12:45:42,147 INFO L158 Benchmark]: RCFGBuilder took 338.42ms. Allocated memory is still 334.5MB. Free memory was 298.7MB in the beginning and 284.6MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 12:45:42,147 INFO L158 Benchmark]: TraceAbstraction took 881196.49ms. Allocated memory was 334.5MB in the beginning and 492.8MB in the end (delta: 158.3MB). Free memory was 283.6MB in the beginning and 195.4MB in the end (delta: 88.2MB). Peak memory consumption was 248.5MB. Max. memory is 8.0GB. [2023-05-04 12:45:42,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 254.8MB. Free memory is still 208.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 237.57ms. Allocated memory was 254.8MB in the beginning and 334.5MB in the end (delta: 79.7MB). Free memory was 223.9MB in the beginning and 301.4MB in the end (delta: -77.5MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.26ms. Allocated memory is still 334.5MB. Free memory was 301.4MB in the beginning and 299.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.51ms. Allocated memory is still 334.5MB. Free memory was 299.7MB in the beginning and 298.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 338.42ms. Allocated memory is still 334.5MB. Free memory was 298.7MB in the beginning and 284.6MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 881196.49ms. Allocated memory was 334.5MB in the beginning and 492.8MB in the end (delta: 158.3MB). Free memory was 283.6MB in the beginning and 195.4MB in the end (delta: 88.2MB). Peak memory consumption was 248.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2989, independent: 2122, independent conditional: 1532, independent unconditional: 590, dependent: 867, dependent conditional: 862, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2168, independent: 2122, independent conditional: 1532, independent unconditional: 590, dependent: 46, dependent conditional: 41, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2168, independent: 2122, independent conditional: 1532, independent unconditional: 590, dependent: 46, dependent conditional: 41, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2327, independent: 2122, independent conditional: 0, independent unconditional: 2122, dependent: 205, dependent conditional: 159, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2327, independent: 2122, independent conditional: 0, independent unconditional: 2122, dependent: 205, dependent conditional: 47, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2327, independent: 2122, independent conditional: 0, independent unconditional: 2122, dependent: 205, dependent conditional: 47, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 542, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 542, independent: 534, independent conditional: 0, independent unconditional: 534, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 24, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2327, independent: 1587, independent conditional: 0, independent unconditional: 1587, dependent: 198, dependent conditional: 45, dependent unconditional: 153, unknown: 542, unknown conditional: 2, unknown unconditional: 540] , Statistics on independence cache: Total cache size (in pairs): 542, Positive cache size: 535, Positive conditional cache size: 0, Positive unconditional cache size: 535, Negative cache size: 7, Negative conditional cache size: 2, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 112, Maximal queried relation: 8, Independence queries for same thread: 821 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 94, Number of trivial persistent sets: 78, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 595, independent: 590, independent conditional: 0, independent unconditional: 590, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2989, independent: 2122, independent conditional: 1532, independent unconditional: 590, dependent: 867, dependent conditional: 862, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2168, independent: 2122, independent conditional: 1532, independent unconditional: 590, dependent: 46, dependent conditional: 41, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2168, independent: 2122, independent conditional: 1532, independent unconditional: 590, dependent: 46, dependent conditional: 41, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2327, independent: 2122, independent conditional: 0, independent unconditional: 2122, dependent: 205, dependent conditional: 159, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2327, independent: 2122, independent conditional: 0, independent unconditional: 2122, dependent: 205, dependent conditional: 47, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2327, independent: 2122, independent conditional: 0, independent unconditional: 2122, dependent: 205, dependent conditional: 47, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 542, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 542, independent: 534, independent conditional: 0, independent unconditional: 534, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 24, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2327, independent: 1587, independent conditional: 0, independent unconditional: 1587, dependent: 198, dependent conditional: 45, dependent unconditional: 153, unknown: 542, unknown conditional: 2, unknown unconditional: 540] , Statistics on independence cache: Total cache size (in pairs): 542, Positive cache size: 535, Positive conditional cache size: 0, Positive unconditional cache size: 535, Negative cache size: 7, Negative conditional cache size: 2, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 112, Maximal queried relation: 8, Independence queries for same thread: 821 - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 158 for 5214ms.. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 158 for 5214ms.. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 158 for 5214ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 102 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 881.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 817.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 485, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 31.4s SatisfiabilityAnalysisTime, 30.6s InterpolantComputationTime, 1650 NumberOfCodeBlocks, 1650 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 2290 ConstructedInterpolants, 0 QuantifiedInterpolants, 17785 SizeOfPredicates, 146 NumberOfNonLiveVariables, 1598 ConjunctsInSsa, 293 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 1033/5877 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown